MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector URL associated with phishing and SEO link farms. The document body, though heavily obfuscated, contains text related to printer issues, likely serving as a lure. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://crophysi.ru/strik?utm_term=why+won%2527t+my+brother+printer+print+from+my+computer In PDF document text
- http://lemakomude.sportsontheweb.net/33570885132.pdfIn PDF document text
- http://fagumawegoleleb.mypressonline.com/massachusetts_superior_court_rule_9ae.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/tipikaxe/61127492901.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/87fb3a91-db63-4ab0-9591-277f416a423a/junot_diaz_this_is_how_you_lose_her_excerpt.pdfIn PDF document text
- https://s3.amazonaws.com/ronatiduzoxij/xexizozusife.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f8aa8240-4b14-430f-a432-3ad32c17a2f9/why_is_my_hp_photosmart_5520_not_printing_black.pdfIn PDF document text
- https://s3.amazonaws.com/vifusupegiza/55949853729.pdfIn PDF document text
- https://s3.amazonaws.com/lososimap/lonajejumas.pdfIn PDF document text
- https://s3.amazonaws.com/tedowafomaru/buziwazukomorovadid.pdfIn PDF document text
- https://s3.amazonaws.com/toguvaju/wevorijizixusob.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/26c9ea1e-2a65-4ade-9c68-a7fdaad4835f/romeo_and_juliet_cigars_number_3.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5b8689a1-d179-40aa-b5d6-ecca8bdf02e8/what_are_the_different_types_of_organization_structure_and_give_example.pdfIn PDF document text
- https://s3.amazonaws.com/lolijexejomak/cheat_engine_apk_no_root_2019.pdfIn PDF document text
- https://s3.amazonaws.com/bodajaku/lock_picking_leveling_guide_vanilla.pdfIn PDF document text
- https://s3.amazonaws.com/senodiw/mevivejol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0444feed-ae4d-4887-b366-c073055aaa2a/how_to_get_big_biceps_and_triceps.pdfIn PDF document text
- https://s3.amazonaws.com/xetasif/bakaz.pdfIn PDF document text
- https://ce83042b-5faf-46b5-bcbb-9b4d05ec7d33.filesusr.com/ugd/a31856_bd8a185046ad474b8a851485b807584c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dikomavomem/50457274808.pdfIn PDF document text
- https://e33362eb-94ba-4427-a888-6f4863169a18.filesusr.com/ugd/36ce96_029cb4a62fcd426e8bef6965f638ef75.pdf?index=trueIn PDF document text
- https://66c7139a-03c0-45fe-98d3-e817d1e01442.filesusr.com/ugd/de2db5_1a92cd6384404a7484313200409c1405.pdf?index=trueIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d20c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD20C | 5216 bytes |
SHA-256: be6e2cfc205b026f9c2ffbfd2e189fa596bee1acd4f797d5733efc9ad37b6d55 |
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font_01_sfnt_off0000e3c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3C7 | 10388 bytes |
SHA-256: 39e480adb0fe8b04f4ba2c155d7878c6b0a5af63e407b97d0fd4b776bfcca624 |
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